#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int add(int x, int y)
{
	return x + y;
}
/*
int main()
{
	
	int a, b;
	scanf("%d %d", &a, &b);
	int c = add(a, b);
	printf("%d\n", c);
	return 0;

	printf("%s\n", __FILE__);
	printf("%d\n", __LINE__);
	printf("%s\n", __DATE__);
	printf("%s\n", __TIME__);
	//printf("%s\n", __STDC__); 
}
*/

#define DOUBLE( x ) ((x) + (x))	
int main()
{
	int a = 5;
	printf("%d\n", 10 * DOUBLE(a));

}